2. WATER
Chemical Formula:
H2O

3. CHEMICAL STRUCTURE

5. Water:
Water

6. Water.

7. Oxygen
chemical structure:
O=O

8. Chemical Formula:
O2

9. Is it a compound?
No! It’s a molecule!
WHY???
Because compounds have more than one
DIFFERENT kind of atom. Molecules have more
than one of the same OR different atoms.

10. Baking Soda!!

11. Examples of different models…

12. What is the formula?

13. C2H4O2
Acetic Acid
or
Vinegar!

15. 4 of the most common elements
are
Carbon
Hydrogen
Nitrogen
Oxygen
Just watch…

16. An atom shares its
electron(s) in order to be
chemically stable.

17. I got something to give!!

18. Hydrogen has 1 extra
electron to give.
So hydrogen makes 1 bond.

19. Methane.

20. A.K.A
Cow Farts!

21. Oxygen can make two
bonds.
Or

22. Nitrogen can make 3 bonds.
Single, double, or triple.

23. Carbon makes
Four
Bonds!!!

24. Count em!
How many does hydrogen have?

25. Propane!

27. Where are the missing H and C
atoms?

28. Triple Bonds!

29. HONK!!!!!!
I mean
H
O
N
C
!!!!!!

30. Vitamin B5!

31. All petro fuels are hydrocarbons
of different lengths.

32. What is left of decaying plant and
animal material.

33. And finally…. The guest of
honor!
D N A!!!!!
Bonus points for whoever can
say what DNA stands for!
http://www.teachersdomain.org/resource/tdc02.sci.lif
e.gen.journeydna/

34.  http://www.worldofmolecules.com/3D/dna.htm